How Smoking and Time of Day Affect White Blood Cells
This study looks at how smoking changes certain white blood cells (eosinophils) in your body and whether the time of day matters. Researchers will track these changes to better understand how smoking affects your immune system.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a current smoker (smoke now, not in the past)
- You smoke at least 8 cigarettes per day
- You are between 18 and 50 years old
- You do not have chronic lung or breathing diseases (like asthma or COPD)
- You are not taking steroid medications or other immune-suppressing drugs
- You are not currently sick with an acute illness (cold, flu, infection, etc.)
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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